evoSPEED Crossfox v3 Men's Cross Country Running Shoes:The evoSPEED Crossfox v3 is one of the most lightweight cross-country spikes ever to come out of the PUMA design team. Minimal materials such as the transparent one-piece mesh upper and bonded internal structures provide support especially for barefoot usage. Its abrasion-resistant outsole has lugs made for both uphill and downhill trail running. The evoSPEED Crossfox v3 features an eye-catchingdesign that links with the Usain Boltspikes.Semi-transparent one-piece mesh upper.Internal bonded suede support structure allows you to go sockless.Gusseted suede tongue for a better fit.Cushioning compression-moulded EVA midsole.Racing Last for maximum speed.Ultra-light five-pin spike receptacle for optimum traction.EverTrack lugged outsole provides grip both uphill and downhill.